BridgeReportCard
HomeIdahoButte County › All bridges

Every bridge in Butte County, Idaho

32 inventoried bridges, busiest first

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled

BridgeBuiltVehicles/dayCondition
US 20 over Inl Central Connector19934,400Fair
US 20 over Big Lost River19772,700Good
US 93 over Arco Canal19622,600Good
US 93 over Big Lost River19622,600Fair
US 93 over Spring Creek19622,600Good
US 93 over Big Lost River19582,300Fair
Stc 6749;2500N over Big Lost River1926500Fair
Adams Boulevard over Adams Drainage1993491Poor
Stc 6749; 3300W over Big Lost River1926290Fair
2700 N over E.branch Big Lost River1987280Fair
2900 North Road over East Side Canal1963260Fair
2900N over E.branch Big Lost River1920260Fair
Stc 6749; 2900N over Big Lost River1926260Fair
2400 North Road over Big Lost River2012210Good
3175 North over Big Lost River1935210Fair
3175 North over West Side Canal1989210Fair
3350 West Road over Moore Canal1979210Fair
S6844;LTL Lost Rvr over Little Lost River1979210Fair
2700 N over Big Lost River1984110Fair
3400 North Road over Moore Canal197980Fair
Knighton LN;3350 N over Big Lost River201080Good
2900 West over Big Lost River197850Fair
3000N over E.branch Big Lost River199250Fair
3300 N; Syveria Ln over Big Lost River199150Fair
2800 N over E.branch Big Lost River192040Fair
2150 N over Big Lost River193030Fair
12166: Clyde Rd. over Little Lost River200325Good
3120 N over Big Lost River197920Fair
Fdr 40135 over Antelope Creek200720Good
W Antelope;fr 137 over Antelope Creek196610Good
W Antelope;fr 137 over Antelope Creek196610Fair
W Antelope;fr 137 over Antelope Creek196610Good

Source: FHWA National Bridge Inventory, 2025.

Butte County bridge conditions · Idaho bridges by county.

Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.